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Finding the Fourth Proportional to 124,518.80, 171,829.24 and 70,796.40

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Solution

The fourth proportional to 124,518.80, 171,829.24 and 70,796.40 is: 97,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.80 : 171,829.24 = 70,796.40 : x
  2. Step 2: Convert to fraction form
    124,518.80/171,829.24 = 70,796.40/x
  3. Step 3: Cross multiply
    124,518.80x = 171,829.24 × 70,796.40
  4. Step 4: Simplify right side
    124,518.80x = 12,164,891,606.74
  5. Step 5: Solve for x
    x = 12,164,891,606.74/124,518.80
  6. Step 6: Final answer
    x = 97,695.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.